The mission of the Roads and Airports Department is to preserve, operate, and enhance the County's expressways, unincorporated roads, and three general aviation airports in a safe, timely and cost-effective manner to meet the needs of the traveling public.
The County's Roads and Airports Department operates and maintains 62 miles of expressway and 635 miles of rural and urban roadways in unincorporated areas, including 23 miles of sound walls, 168 bridges, 39 miles of carpool lanes, 164 signalized intersections, 4,500 street lights, 25,000 regulatory signs, and 2,185 drain inlets. It also operates and maintains the County's three general aviation airports at Reid-Hillview, Palo Alto and South County — comprised of 7 miles of runways and taxiways, 145 aircraft hangars, 648 open aircraft tie-down storage spaces.
Click here to view the Santa Clara County Official Road Book, showing all road sections within the County of Santa Clara maintained roads system. Current information regarding short-term County road closures and lane restrictions is available by calling the County's HOT LINE at 408-494-1382.
NEWS - Recent Features
Foothill Loyola Press Release Loyola overpass along Foothill Expressway at A Street in Los Altos under construction beginning April 13, 2015. Lane closures on Foothill will be in effect 24 hours a day for approximately 9 months. Expect delays and long peak period queues. Commuters encourage to travel off peak or use other arterials. For more information please visit project website.